The gesture isn’t actually captured in the video above, when the lad takes the corner he holds up 5 fingers as in ‘we won it 5 times’, fair do’s a bit of banter, he takes the corner and then Marine get another, it’s at this point that he makes the gesture, out of shot at around 4 minutes.

Tnk1805

About as classy as the turncoats screaming “Murderers”, pot and kettle springs to mind i guess.